[INFO] cloning repository https://github.com/iconoclasthero/words2num
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iconoclasthero/words2num" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficonoclasthero%2Fwords2num", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficonoclasthero%2Fwords2num'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e06934548696f568dc1a07722f695cccf83fbefa
[INFO] checking iconoclasthero/words2num against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficonoclasthero%2Fwords2num" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iconoclasthero/words2num
[INFO] finished tweaking git repo https://github.com/iconoclasthero/words2num
[INFO] tweaked toml for git repo https://github.com/iconoclasthero/words2num written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iconoclasthero/words2num on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iconoclasthero/words2num already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a39c7688d9dc05f75c0f68fcf4159a54595d5a97f79c94f632b7347de5b57d8c
[INFO] running `Command { std: "docker" "start" "-a" "a39c7688d9dc05f75c0f68fcf4159a54595d5a97f79c94f632b7347de5b57d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a39c7688d9dc05f75c0f68fcf4159a54595d5a97f79c94f632b7347de5b57d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39c7688d9dc05f75c0f68fcf4159a54595d5a97f79c94f632b7347de5b57d8c", kill_on_drop: false }`
[INFO] [stdout] a39c7688d9dc05f75c0f68fcf4159a54595d5a97f79c94f632b7347de5b57d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dinherent-method-on-receiver" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3381f957453de0660e58310924bb686a51d2516586f2d2ff570eac14dd2c236
[INFO] running `Command { std: "docker" "start" "-a" "f3381f957453de0660e58310924bb686a51d2516586f2d2ff570eac14dd2c236", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking words2num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `orig`
[INFO] [stdout]   --> src/main.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let orig = arg;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_orig`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig`
[INFO] [stdout]   --> src/main.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let orig = arg;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_orig`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "f3381f957453de0660e58310924bb686a51d2516586f2d2ff570eac14dd2c236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3381f957453de0660e58310924bb686a51d2516586f2d2ff570eac14dd2c236", kill_on_drop: false }`
[INFO] [stdout] f3381f957453de0660e58310924bb686a51d2516586f2d2ff570eac14dd2c236